{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Preliminary results indicate that testosterone - treated LW rats that were fed the same diet , which was supplemented with corn oil up to 20 % fat , developed prostate cancer after intervals of 6 - 12 months ."}
{"Chemical": ["testosterone"], "Disease": ["prostate cancer"]}